Next tonight, stunning news today that one of the most inspiring athletes in the world has been charged with murder. Oscar pistorius, the first double-leg amputee to compete on a track in the olympics. He's charged with shooting his girlfriend. Details are still eammerging and our correspondent based in africa has the news from pretoria, south africa tonight. Reporter: Who would have imagined the man who did this, could end up like this? Accused of murder of his girlfriend, reeve steenkamp, a well known model in south africa, seen here in a cellphone commercial and a fixture on the red carpet. The two of them were a couple that demanded attention. Pistorius lived in this luxury estate. Here in south africa, crime is rampant and that may be one of e stories going around, that he shot his girlfriend, mistaking her for an intruder. But police have other suspicions. Police say they received reports of neighbors hearing shouting before the shooting. Reporter: Pistorius's story of determination, legendary. His legs amputated when he was 11 months old. But with a pair of prosthetic blades, he was as fast as lightning. I've been given a phenomenal talent and I work hard to be where I am. Reporter: He rose to paralympics champion and the first double amputee to compete in the olympics. But today, as word of the shooting spread, this nike ad with the words, I am the bullet in the chamber, was taken down from his site. He is someone who is celebrated as a humanitarian. To be in this position, it's shocking. Reporter: Just yesterday, steenkamp tweeted, what do you have up your sleeve for your love tomorrow? A day that would end in tragedy, leaving a world of admirers asking how an athlete who embodied a spirit of overcoming any obstacle is now facing a murder charge. And still overseas, we have word from the vatican tonight.

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